Search results for Speeding Up Perl Scripts With SpeedyCGI/PersistentPerl On Debian Etch

Tutorial quote: MySQLTuner is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and status data is retrieved and presented in a brief format along with some basic performance suggestions.

Tutorial quote: mod_proxy_balancer is an Apache module that lets you create a loadbalancer. This loadbalancer retrieves requested pages from two or more backend webservers and delivers them to the user's computer. An important feature of mod_proxy_balancer is that it keeps track of sessions so that a single user always deals with the same backend webserver.

Tutorial quote: Using XML-RPC it is possible to write software that can be accessed remotely by multiple means, from Ruby and Python to Perl and Ajax. Using a couple of simple libraries it is possible to setup a simple server in only a few minutes, with no need to worry about argument parsing, anything complex.

Tutorial quote: This benchmark shows how Apache2 (version 2.2.3) and lighttpd (version 1.4.13) perform compared to each other when delivering a static HTML file (about 50KB in size). This benchmark was created with the help of ab (Apache benchmark) on a VMware vm (Debian Etch); if you try this yourself, your numbers might differ (depending on your hardware), but the tendency should be the same.

Tutorial quote: djbdns is a very secure suite of DNS tools that consists out of multiple parts: dnscache, a DNS cache that can be used in /etc/resolv.conf instead of your ISP's name servers and that tries to sort out wrong (malicious) DNS answers; axfrdns, a service that runs on the master DNS server and to which the slaves connect for zone transfers; and tinydns, the actual DNS server, a very secure replacement for BIND.

Tutorial quote: This how-to describes how to install and configure Dansguardian with multi-group filtering, Squid with NTLM auth, ipmasq, and dnsmasq to provide a full internet gateway solution for small to medium sized networks. This how-to requires two NICs in order to perform firewalling and transparent proxying.

Tutorial quote: RT is an industrial-grade trouble ticketing system. It lets a group of people intelligently and efficiently manage requests submitted by a community of users. RT is used by systems administrators,customer support staffs, NOCs, developers, and even marketing departments to track issues, outages,bugs, requests, and all kinds of other things at thousands of sites around the world.

Tutorial quote: This tutorial describes two ways how to give users chrooted SSH access. With this setup, you can give your users shell access without having to fear that they can see your whole system. Your users will be jailed in a specific directory which they will not be able to break out of. The users will also be able to use SFTP in their chroot jails.

Tutorial quote: Vsftpd is one of the most secure and fastest FTP servers for Linux. Usually vsftpd is configured to work with system users. This document describes how to install a vsftpd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine.

Tutorial quote: Ganeti is a cluster virtualization management system based on Xen. In this tutorial I will explain how to create one virtual Xen machine (called an instance) on a cluster of two physical nodes, and how to manage and failover this instance between the two physical nodes.